In a study of pregnant women and their ability to correctly

Assignment Help Basic Statistics

Reference no: EM13631510

In a study of pregnant women and their ability to correctly predict the sex of their baby, 56 of the pregnant women had 12 years of education or less, and 39.3% of them correctly predicted the sex of their baby. Use a 0.01 significance level to test the claim that these women have no ability to predict the sex of their baby, and the results are not significantly different from those that would be expected with random guesses. Identify the null hypothesis, alternative hypothesis, test statistic, p-value, conclusion about the null hypothesis, and final conclusion that addresses the original claim. Use the P-value method. Use the normal distribution as an approximation of the binomial distribution. a. Identify the null and alternative hypothesis b. The test statistic is z= c. The P-value is d. Identify the conclusion about the null hypothesis and the final conclusion that addresses the original claim. ____H0. There ______ sufficient evidence to warrant rejection of the claim that these women have no ability to predict the sex of their baby. The results for these women with 12 years of education or less suggests that their percentage of correct predictions _____ very different from results expected with random guesses.

Reference no: EM13631510

Questions Cloud

A book was published entitled one million random digits in : a book was published entitled one million random digits. in it there are listed one million 1000000 digits each of

Determine the minimum possible work for the process include : a tank of volume 12m3 is initially filled with air at 22deg and 100 kpa a vacuum pump slowly removes air from the tank

What are the minimum value of the magnitude ratio and the : a pressure transducer has a natural frequency of 50 khz and a damping ratio of 0.4. it is to be used to measure

Explain why the total flux nevertheless is proportional : 1. explain why you are safe and unaffected inside a car that is struck by lightning. also explain why it might not be

In a study of pregnant women and their ability to correctly : in a study of pregnant women and their ability to correctly predict the sex of their baby 56 of the pregnant women had

It has been shown that the cop for a carnot refrigerator is : it has been shown that the cop for a carnot refrigerator. is greater than the cop for a real refrigerator . show the

There is about a 50-50 chance that the percentage of : in a certain city there are 3000000 registered voters of whom 1200000 are democrats. a survey organization is about to

Assume the readings on thermometers are normally : assume the readings on thermometers are normally distributed with a mean of 0 degree c and a standard deviation of 1.00

Assume the above data represents the entire population of : an irate customer called dollar day mail order company 40 times during the last two weeks to see why his order had not

User Account

All Pages